用QuartusII13.0软件，DE1开发板，支持VGA的显示屏实现的乒乓球游戏，同时可实现七段数码管计分，球碰撞声等功能-With QuartusII13.0 software, DE1 development board that supports VGA screen realization of table tennis game, while achieving seven-segment LED scoring, ball impact sound, and other funct